Mammogram marker



FIG. 1 is a top elevation view of a mammogram marker showing my new design;

FIG. 2 is a front elevation view of thereof, the rear being identical to the front; and,

FIG. 3 is a left side elevation view thereof, the right side being identical to the left side.

The bottom of the mammogram marker is flat and devoid of surface ornamentation.

The broken lines shown in the drawing figures are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a mammogram marker, as shown and described. 